User manual

5
Technical Information
Message Mapping
Diagnostic Buffer Structure
Tab. 4
Offset Meaning
0 B
0
station non exist (set by master)
B
1
station not ready (slave not ready for data exchange)
B
2
cfg fault (configuration data doesn’t match)
B
3
ext diag (slave has external diagnostic data)
B
4
not supported (slave doesn’t support requested function)
B
5
invalid slave response ( slave sets permanent ‘0’)
B
6
prm fault (wrong parameter assignment)
B
7
master_lock (slave is parameterised by another master)
Standard diagnostics
1 B
0
prm req (slave has to be re-parameterised)
B
1
stat diag (static diagnosis)
B
2
fixed ‘1’
B
3
wd_on (response monitoring active)
B
4
Freeze mode (received freeze command)
B
5
Synch mode (received synch command)
B
6
reserved
B
7
diag deactivated (slave is parameterised by another master)
2 Reserved
3 Master Add (master address after parameterisation. FF= without parameter)
4 Ident number high
5 Ident number low
6 External diagnosis “Header” length indication including header
7 Interface Status
B
0
Controller not responds
B
1
Controller not identified
B
2
Input data not fully coherent yet
External diagnostic TSP
address 1
B
3
Not used
B
4…7
Number of devices recognised on the low-speed network
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